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A modern "useless machine" about to turn itself off. A useless machine or useless box is a device whose only function is to turn itself off. The best-known useless machines are those inspired by Marvin Minsky's design, in which the device's sole function is to switch itself off by operating its own "off" switch.
Pre-orders began on September 13, with the iPhone 11 Pro starting from a base price of $999, and the larger screen Pro Max starting from $1,099. The phones were released on September 20 in the US and other countries, with all releases complete by December 6. [18] The iPhone 11, 11 Pro and the 11 Pro Max made up the 13th generation of iPhones.
In 2020, the lowest reported LFP cell prices were $80/kWh (12.5 Wh/$) with an average price of $137/kWh, [38] while in 2023 the average price had dropped to $100/kWh. [39] By early 2024, VDA -sized LFP cells were available for less than RMB 0.5/Wh ($70/kWh), while Chinese automaker Leapmotor stated it buys LFP cells at RMB 0.4/Wh ($56/kWh) and ...
The first electric soldering iron had a very lightweight platinum tip heated by electric current flowing through the tip itself. [6] By 1889, electric soldering irons were being developed with a resistance wire wrapped around the back end of the copper head and enclosed in a protective shell. [ 7 ]
Since amorphous ribbon can be cast to any specific width under roughly 13 inches and can be sheared with relative ease, it is a suitable material for wound electrical transformer cores. In 2019 the price of amorphous steel outside the US is approximately $.95/pound compared to HiB grain-oriented steel which costs approximately $.86/pound.
A feature in a recent iOS update for iPhone, introduced in October, is suddenly being noticed. And not everyone likes it.The goal of clean energy charging, introduced in iOS 16.1, is so iPhone ...
Thermal switches on microprocessors often stop only the fetching of instructions to execute, reducing the clock rate to zero until a lower temperature is reached, while maintaining power to the cache to prevent data loss (although a second switch, with a higher triggering temperature, usually turns off even the cache and forces the computer to ...
That is "off the mains voltage line". This electronics design terminology has no relationship to the use of " online and offline " for computers and networking, and no relationship with uninterruptible power supplies that provide power while disconnected from the electrical grid.